DWZ development of the series, axial flow fan rotor with the world's advanced level.

开发的DWZ系列外转子轴流风机具有世界先进水平。

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Calculations were conducted of the fan rotor natural frequency, vibration modes and critical speeds.

本文针对风机转子进行了固有频率振型和临界转速计算。

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The influence of tip clearance on the performance of fan rotor has been investigated by numerical method at different clearances.

在不同叶尖间隙下，对高负荷风扇转子的特性进行了研究；通过数值方法分析了叶尖间隙对转子特性的影响。

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One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine